Identification of reaction products of 9-hydroxy-10-oxo-12(Z),15(Z)-octadecadienoic acid (KODA) and norepinephrine that strongly induce flowering in Lemna
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- Yokoyama Mineyuki
- Inovative Science R & D Center, Shiseido Co. Ltd.
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- Yamaguchi Shoko
- Material Science Research Center, Shiseido Co. Ltd.
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- Suzuki Masayuki
- Department of Applied Biological Chemistry, Faculty of Agriculture, Shizuoka University
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- Tanaka Osamu
- Department of Biology, Faculty of Science and Engineering, Konan University
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- Kobayashi Koji
- Material Science Research Center, Shiseido Co. Ltd.
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- Yanaki Toshio
- Inovative Science R & D Center, Shiseido Co. Ltd.
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- Watanabe Naoharu
- Department of Applied Biological Chemistry, Faculty of Agriculture, Shizuoka University
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Abstract
The reaction of 9-hydroxy-10-oxo-12(Z),15(Z)-octadecadienoic acid (KODA) and catecholamine in water (pH 8.0) in vitro generates many products, and we have shown that the major adduct FN1 among the reactants of KODA and norepinephrine is a potent inducer of floral differentiation in Lemna (L.) paucicostata 151 [Yokoyama et al. (2000) Plant Cell Physiol 41: 110–113, Yamaguchi et al. (2001) ibid 42: 1201–1209]. Since such reactants may be involved in flower induction in vivo, it is of interest to elucidate the structure-activity relationships among the reactants to throw light on the nature of the putative active site. Here, we report two other adducts, designated as FN7 and FN10. They are structurally similar to FN1, having a tricyclic structure with 12-cis-olefin conjugated with noradrenochrome. FN10 was a more potent inducer than FN1. These results are consistent with the hypothesis that tricyclic KODA/norepinephrine adducts play an important role in flower-induction in L. paucicostata, strain 151.
Journal
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- Plant Biotechnology
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Plant Biotechnology 25 (6), 547-551, 2008
Japanese Society for Plant Biotechnology
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Details 詳細情報について
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- CRID
- 1390282679304833664
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- NII Article ID
- 10023988111
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- NII Book ID
- AA11250821
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- ISSN
- 13476114
- 13424580
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- NDL BIB ID
- 9751407
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed